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Google Chrome EUVDEUVD-2026-65762

| CVE-2026-78989 CRITICAL
Out-of-bounds Read (CWE-125)
2026-08-25 Chrome GHSA-w6fp-j497-w2rr
9.6
CVSS 3.1 · Vendor: Chrome
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Severity by source

Vendor (Chrome) PRIMARY
9.6 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
9.6 CRITICAL

Remote crafted page needs only a victim visit (UI:R, PR:N, AC:L); sandbox escape justifies scope change (S:C) with full C/I/A impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Aug 26, 2026 - 16:23 vuln.today
CVSS changed
Aug 26, 2026 - 16:22 NVD
9.6 (CRITICAL)
CVE Published
Aug 25, 2026 - 20:09 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 25, 2026 - 20:09 cve.org
CRITICAL 9.6

DescriptionCVE.org

Out of bounds read in ANGLE in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Out-of-bounds read in Chrome's ANGLE graphics component (Windows builds prior to 152.0.7977.65) lets a remote attacker escape the renderer sandbox and potentially run arbitrary code after a victim opens a crafted HTML page. Google rates the Chromium severity High, and the CVSS is 9.6 driven by the sandbox-escape scope change; there is no public exploit identified at time of analysis and EPSS is low (0.42%).

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Lure victim to crafted HTML page
Delivery
Page invokes vulnerable ANGLE/WebGL rendering
Exploit
Trigger out-of-bounds read in ANGLE
Execution
Leak memory and corrupt state
Persist
Escape renderer sandbox
Impact
Execute arbitrary code on host

Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to load attacker-controlled HTML in a vulnerable Chrome build (before 152.0.7977.65) on Windows - user interaction is mandatory (UI:R), so the attacker must lure the user to a crafted page rather than trigger it silently. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals conflict in an instructive way. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts or injects a malicious HTML page containing crafted WebGL/graphics content that triggers the out-of-bounds read in ANGLE when rendered. A victim running vulnerable Chrome on Windows visits the page (e.g., via phishing link or malvertising), and the attacker leverages the resulting memory disclosure and corruption to attempt code execution outside the renderer sandbox. …
Remediation Vendor-released patch: update Google Chrome to 152.0.7977.65 or later on Windows via the Stable channel (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html) and restart the browser, since Chrome updates only take effect after a relaunch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory Chrome deployments on Windows endpoints and assess whether auto-update is enabled; if disabled, prepare deployment tooling. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-65762 vulnerability details – vuln.today

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